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Amplifier Scheme with Secondary Implosion for Extended-Burn Inertial Fusion Energy

A laser inertial-confinement-fusion target design that extends the burn stage beyond central hot-spot ignition by driving a secondary implosion and explosion in a highly compressed, high-areal-density shell, yielding a density-dominated ignition and an extra gain multiplier. One-dimensional direct-drive simulations under a roughly 10 MJ driver show much larger post-bangtime yield at a low convergence ratio.

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Ampliﬁer scheme: driven by direct-drive under ∼10 MJ laser toward inertial fusion energy Ke Lan

This paper proposes an 'amplifier' target scheme for laser inertial confinement fusion that, unlike conventional central-hot-spot ignition, extends the burn stage through a secondary implosion and ex…